7.3 Soil

Which of the following is NOT a main function of soil.

• it's the largest carbon reservoir on the land surface

• it is a habitat for decomposers, plants and other organisms.

• it produces sunlight for photosynthesis.

• it stores, supplies and filters water

Tags

NGSS.MS-LS2-1

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Pedogenesis is the process of:

• soil formation

• photosynthesis

• evaporation

• condensation

What is a 'Horizon' in a soil profile?

• A layer of soil parallel to the soil surface, with distinct physical characteristics.

• A type of rock formation found deep underground.

• A weather pattern affecting soil moisture.

• A type of vegetation found in arid regions.

What is the R Horizon known as?

• Topsoil

• Subsoil

• Weathered parent material

• The original, unweathered parent material

Which soil type is best for growing most plants?

• Clay soil

• Silt soil

• Sandy soil

• Loam soil

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which picture shows soil that is typical of the temperate deciduous forest biome that we live in?

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Tags

NGSS.MS-LS2-3